31906720 (number)

31906720 is an even 8-digits composite number following 31906719 and preceding 31906721. In scientific notation, it is written as 3.1906720 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors. There are 12762624 positive integers (up to 31906720) that are relatively prime to 31906720.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred six thousand seven hundred twenty

Notation

Scientific notation 3.1906720 × 10^7
Engineering notation 3.1906720 × 10^6

Prime Factorization of 31906720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 199417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1994170
Product of the distinct prime numbers

The prime factorization of 31906720 is 2 × 2 × 2 × 2 × 2 × 5 × 199417. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 9, 49, 22, 416, 804, 7479, 4098, 9562, 32433, 56378, 268538, 5182264, 7335761, 16127827, 59514035, 434753798, 662593999, 241978617, 3736053697

Basic calculations (n = 31906720)

Multiplication

n×y
n×2 63813440
n×3 95720160
n×4 127626880
n×5 159533600

Division

n÷y
n÷2 15953360
n÷3 10635573.333333
n÷3 7976680
n÷5 6381344

Exponentiation

ny
n2 1018038781158400
n3 3.2482278339562E+22
n4 1.0364029599425E+30
n5 3.3068219050056E+37

Nth Root

y√n
2√n 5648.603367205
3√n 317.17142522498
4√n 75.157191054516
5√n 31.679362409324

Divisors of 31906720

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199417, 398834, 797668, 997085, 1595336, 1994170, 3190672, 3988340, 6381344, 7976680, 15953360, 31906720

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31906719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31906720 can be divided by 24 positive divisors. The sum of these divisors (counting 31906720) is 1, the average is 0.041666666666667.

Base conversion 31906720

Base System Value
2 Binary 1111001101101101110100000
3 Ternary 2020001000210101
4 Quaternary 1321231232200
5 Quinary 31132003340
6 Senary 3055512144
8 Octal 171555640
10 Decimal 31906720
12 Duodecimal a828654
16 Hexadecimal 1e6dba0
20 Vigesimal 9j86g0
36 Base36 izvds

Cryptographic Hash Functions

md5 049478adb125fc981f242b073544b5b6
sha1 374acd80b7d7e9d4f5927e4f51e7286fbd898416
sha256 71bb712e9c1a1ac5ef5e4cfdbde980bbd75bbbf1eded1dad0b1862ea18eef81b
sha512 439c52192b04b36bff1829eebb0653969842f3afd9c06a967e85cf902eca8574a6988f6ac9f0cbd55e260333cf60b9b3e17c6a124ac94989617d63b0b65f9201
ripemd-160 f6c6ba37e6aae31acf0bfd064a0f0894c31d1264

31906720 as geometric shapes

Circle

Radius = n
Diameter 63813440
Circumference 200475834.30429
Area 3.1982631559567E+15

Sphere

Radius = n
Volume 1.360614493379E+23
Surface area 1.2793052623827E+16
Circumference 200475834.30429

Square

Length = n
Perimeter 127626880
Area 1018038781158400
Diagonal 45122916.154841

Cube

Length = n
Surface area 6108232686950400
Volume 3.2482278339562E+22
Space diagonal 55264060.142874

Equilateral Triangle

Length = n
Perimeter 95720160
Area 4.4082372326046E+14
Altitude 27632030.071437

Triangular Pyramid

Length = n
Surface area 4.4082372326046E+14
Volume 3.8280732137156E+21
Height 15040972.051614